20211101022 has 64 divisors (see below), whose sum is σ = 48806737920. Its totient is φ = 5456833536.

The previous prime is 20211101017. The next prime is 20211101023. The reversal of 20211101022 is 22010111202.

It is a junction number, because it is equal to n+sod(n) for n = 20211100989 and 20211101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211101023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119283 + ... + 233774.

It is an arithmetic number, because the mean of its divisors is an integer number (762605280).

Almost surely, 2^20211101022 is an apocalyptic number.

20211101022 is an abundant number, since it is smaller than the sum of its proper divisors (28595636898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211101022 is a wasteful number, since it uses less digits than its factorization.

20211101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353145.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20211101022 its reverse (22010111202), we get a palindrome (42221212224).

The spelling of 20211101022 in words is "twenty billion, two hundred eleven million, one hundred one thousand, twenty-two".